CN102643013B - Method of using waste glass fiber reinforced phenolic resin molding compound to produce foam glass - Google Patents
Method of using waste glass fiber reinforced phenolic resin molding compound to produce foam glass Download PDFInfo
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- CN102643013B CN102643013B CN201210132076.0A CN201210132076A CN102643013B CN 102643013 B CN102643013 B CN 102643013B CN 201210132076 A CN201210132076 A CN 201210132076A CN 102643013 B CN102643013 B CN 102643013B
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000000465 moulding Methods 0.000 title claims abstract description 21
- 239000003365 glass fiber Substances 0.000 title claims abstract description 12
- 239000002699 waste material Substances 0.000 title abstract description 11
- 239000011494 foam glass Substances 0.000 title abstract description 9
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 title abstract description 4
- 150000001875 compounds Chemical class 0.000 title abstract description 4
- 229920001568 phenolic resin Polymers 0.000 title abstract description 4
- 239000005011 phenolic resin Substances 0.000 title abstract description 4
- 239000011521 glass Substances 0.000 claims abstract description 50
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 239000000843 powder Substances 0.000 claims abstract description 29
- 238000005187 foaming Methods 0.000 claims abstract description 26
- 238000000137 annealing Methods 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 238000000498 ball milling Methods 0.000 claims abstract description 8
- 239000011230 binding agent Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 30
- 229920000180 alkyd Polymers 0.000 claims description 16
- 238000010792 warming Methods 0.000 claims description 14
- 239000006063 cullet Substances 0.000 claims description 11
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 10
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000004513 sizing Methods 0.000 claims description 8
- 238000007669 thermal treatment Methods 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 6
- 238000000748 compression moulding Methods 0.000 claims description 6
- 239000011591 potassium Substances 0.000 claims description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 235000019353 potassium silicate Nutrition 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
- 229910000160 potassium phosphate Inorganic materials 0.000 claims description 5
- 229940093916 potassium phosphate Drugs 0.000 claims description 5
- 235000011009 potassium phosphates Nutrition 0.000 claims description 5
- 239000004317 sodium nitrate Substances 0.000 claims description 5
- 235000010344 sodium nitrate Nutrition 0.000 claims description 5
- 229940001516 sodium nitrate Drugs 0.000 claims description 5
- 239000001488 sodium phosphate Substances 0.000 claims description 5
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 5
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical group [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 210000001161 mammalian embryo Anatomy 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 229910021532 Calcite Inorganic materials 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- 235000010338 boric acid Nutrition 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 235000010216 calcium carbonate Nutrition 0.000 claims description 2
- 235000019241 carbon black Nutrition 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 2
- 229960001708 magnesium carbonate Drugs 0.000 claims description 2
- 239000004323 potassium nitrate Substances 0.000 claims description 2
- 235000010333 potassium nitrate Nutrition 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 235000017550 sodium carbonate Nutrition 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000004088 foaming agent Substances 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 2
- 239000003607 modifier Substances 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 238000007664 blowing Methods 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 238000009413 insulation Methods 0.000 description 10
- 229920003987 resole Polymers 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 241000209456 Plumbago Species 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000000206 moulding compound Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- -1 CaCO 3 Substances 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a method of using waste glass fiber reinforced phenolic resin molding compound to produce foam glass. The method includes the steps: firstly, subjecting waste glass fiber reinforced phenolic resin molding compound to heat treatment, embrittling, crushing and ball milling to obtain fine powder; and secondly, well mixing, by weight, 10-30% of the fine powder, 60-75% of waste glass powder, 0.1-2% of foaming agent, 1-2% of stabilizing agent, 5-10% of fluxing agent, 0.5-1% of modifier and 0.5-1% of binder, mould pressing to form blanks, plasticizing, foaming, shaping, annealing and cooling to obtain foam glass. The method makes full use of waste raw materials and is low in production cost, simple in process, easy in implementation and short in foaming time, energy consumption can be greatly reduced, and product quality is stable.
Description
Technical field
The present invention relates to a kind of recoverying and utilizing method of waste phenolic moulding compound, relate in particular to a kind of method of utilizing discarded glass to strengthen alkyd resin moulding material production multicellular glass.
Background technology
Glass strengthens the insulation framework cylinder that phenolaldehyde moulding compound is widely used in the inverter of manufacturing direct-current motor, and the surperficial radial direction of this cylinder is being inlayed the copper bar of at least three, and reverser is directly connected with motor rotor.When copper bar contacts with fixed carbon, electric current produces path, thereby make the coil of rotor produce moment of torsion under the effect in magnetic field, rotor is rotated, after turning an angle, brush is separated with the copper bar of reverser, generation is opened circuit, rotor will continue rotation under the effect of inertia, brush will contact copper bar again subsequently, will produce and rotate oppositely more consistent moment of torsion, like this principle again, magnetic field force will constantly promote to make rotor to rotate to same direction, and the drag effect such as final and friction, acting reaches balance.Undoubtedly, reverser has guaranteed that direct-current machine can continued running.
Reverser is very big at the consumption of field of household appliances, automotive field, field of power tools.Yet, acceleration update along with these electrical equipments, a large amount of direct-current motors are eliminated, and wherein the metal ingredient of reverser can fully be recycled substantially, but remaining nonmetal insulation framework material is but difficult to be recycled recycling, and this material is difficult to degrade at occurring in nature, intensity is also higher, causes being difficult to pulverizing.Moreover, engine commutator mainly combines by method and the copper sheet of transfer molding, in its curing molding process, the dead meal handle of a large amount of glass enhancing alkyd resin moulding materials will be produced, these material handles can only carry out landfill disposal as trade waste and rubbish as a rule, thereby environment is produced to certain harm, taken valuable land resources.
Engine commutator insulation framework material is generally to strengthen alkyd resin moulding material by the certain mixing glass of making of the processes such as resol, glass fibre, mineral filler and auxiliary agent.As everyone knows, resol is a kind of thermosetting resin, after curing molding, forms insoluble, not molten, the hard network-like macromolecular material of matter, is difficult to recycling.Therefore,, after discarded engine commutator reclaims metallic copper, remaining non-metallic part and a large amount of waste material handles of producing in engine commutator production process etc. are all difficult to recycling.
Multicellular glass is that a kind of inside is full of countless being connected and the porous light inorganic glass materials of closed pores, there is the advantages such as fire prevention, heat insulation, moistureproof, protection against corrosion, sound-absorbing, be widely used in the fields such as construction wall insulation, petrochemical complex, express highway sound-proof wall, electric power, military project.Especially China advocates energy-saving and emission-reduction and " low-carbon (LC) " economy energetically, and recent year market increases rapidly for multicellular glass demand, especially building materials market.The main component of multicellular glass is cullet, is aided with suitable whipping agent, stablizer, properties-correcting agent and other auxiliary agents etc., through certain operations such as thermal treatment, foaming and annealing, makes.
Chinese patent 200710019008.2 discloses a kind of preparation method of large-density foam glass, first density is greater than to 3.0g/cm
3glass cullet powder and SIC or TIN put in ball grinder and be milled to below 200 orders, and join in high temperature steel mould, finally mould is moved into foaming furnace and burns till; After foaming and quick cooling and annealing, obtain multicellular glass.
Chinese patent 200910023316.1 discloses a kind of preparation method of high-intensity foam glass, by glass cullet powder, CaCO
3, borax, NaNO
3join in ball grinder after ball milling mixes with refractory fibre, be placed in mould and moved into foaming furnace through preheating, foaming, steady bubble, cooling and annealing fast, obtain multicellular glass.
Summary of the invention
The invention provides a kind of method of utilizing discarded glass to strengthen alkyd resin moulding material production multicellular glass, the method, by discarded glass being strengthened to the reasonable utilization of alkyd resin moulding material, has been avoided environmental pollution and the wasting of resources.
Utilize discarded glass to strengthen the method that alkyd resin moulding material is produced multicellular glass, comprise the following steps:
(1) discarded glass is strengthened to alkyd resin moulding material and heat-treat, after embrittlement, pulverizing, ball milling make fine powder;
(2) by weight percentage, the cullet powder of the described fine powder of 10-30%, 60-75%, the whipping agent of 0.1-2%, the fusing assistant of the stablizer of 1-2%, 5-10%, the binding agent of the properties-correcting agent of 0.5-1% and 0.5-1% are mixed, be molded into embryo by plasticizing, foaming, sizing, annealing, the cooling multicellular glass that makes.
Discarded material handle in the insulation framework that described discarded glass enhancing alkyd resin moulding material can be engine commutator and production process, it contains a large amount of glass fiber components, weight percent can be up to 30～70%, specifically consist of: alkyd resin moulding material 25～45%, glass fibre 30～70%, surplus are filler and auxiliary agent, wherein filler and auxiliary agent are all to produce the conventional added ingredients of moulding compound.
The composition of described glass fibre and the cullet composition of producing multicellular glass are without difference in essence, and as the easily carbonization under comparatively high temps of the resol of fiberglass binder, carbon can discharge amount of heat in combustion processes, the carbon black generating can also be as the whipping agent of multicellular glass, therefore, discarded glass is strengthened to alkyd resin moulding material as the starting material of producing multicellular glass, the object that can arrive utilization of waste material, turns waste into wealth, can reduce foaming agent consumption and energy consumption again, reduce production costs.
Because glass enhancing alkyd resin moulding material intensity is high, pulverize comparatively difficulty, therefore before pulverizing, need it to heat-treat, allow part of auxiliary decompose and resol part molecular scission, slough small-molecule substance, moulding compound is become fragile, but the too high meeting of thermal treatment temp is even burnt phenolic resin carbonized, too low embrittlement is slow, energy consumption is large, be preferably, described thermal treatment temp is 350～550 ℃, and the time is 0.5～5 hour.
The fineness of described fine powder is basic consistent with the fineness of cullet, is preferably 80～120 orders.
Preferably, described plasticizing, foaming, sizing, annealing, cooling technique are:
(1) embryo of compression molding is placed in process furnace, controls the temperature in process furnace;
(2) speed with 15～30 ℃/min is warming up to 400～450 ℃, and then the speed with 5～10 ℃/min is warming up to 700～750 ℃, then be warming up to 800～1000 ℃ of 2～4 ℃/min, maintains 20～60 minutes and complete foaming;
(3) speed with 10-20 ℃/min is cooled to 600-700 ℃, and then the speed with 1-2 ℃/min is cooled to 250 ℃, finally, with the speed cooling room temperature of 0.5-2 ℃/min, makes multicellular glass.
So-called whipping agent is exactly the material that makes object material pore-forming, it can be divided into chemical foaming agent and pneumatogen and tensio-active agent three major types, chemical foaming agent is that those can discharge the gases such as carbonic acid gas and nitrogen after thermal degradation, and in polymkeric substance forms, forms the compound of pore; Chemical foaming agent is divided into again inorganic foaming agent and organic blowing agent, and what the present invention mainly selected is inorganic foaming agent, is preferably at least one in sodium carbonate, calcium carbonate, magnesiumcarbonate, saltpetre, SODIUMNITRATE, boric acid, carbon black, Graphite Powder 99 and silicon carbide.
The described various materials that can reduce melting point substance of fusing assistant general reference, can be divided into alkaline auxiliary solvent, acid solubility promoter and neutral flux, are preferably at least one of potassium felspar sand, calcite and Bai Shizhong, and their main component is silico-aluminate or CaCO
3, CaCO wherein
3decomposes becomes CaO, discharges CO
2, and CaO is representational alkaline auxiliary solvent, Al
2o
3typical neutral flux, SiO
2it is representational acid fusing assistant.
Described properties-correcting agent can be fire retardant, solubility promoter, blowing promotor etc., is preferably water glass, weisspiessglanz or their mixture.
Add appropriate stablizer can improve the performance of multicellular glass, increase blowing temperature scope, stabilise bubbles structure, reduces communicating aperture, improves yield rate, and conventional stablizer has phosphoric acid salt, acetate etc., is preferably sodium phosphate, potassiumphosphate or their mixture.
Binding agent can improve the cohesive strength between each component, finally improves the physicals of multicellular glass, is preferably at least one in polyvinyl alcohol, epoxy resin and Mierocrystalline cellulose.
The present invention makes full use of waste and old raw material, and production cost is low, and technique is simple and easy to realize, and foamed time is short, significantly reduces energy consumption and constant product quality.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the inventive method.
Embodiment
Embodiment 1
(1) metals such as copper in discarded motor steering device insulation framework are sorted out, then nonmetallic part is placed at 450 ℃ to thermal treatment 30 minutes, then pulverize, ball milling makes the fine powder of 100 orders left and right.This fine powder consists of: glass fibre is 50%, resol 45%, and all the other are filler and auxiliary agent.
(2) get above-mentioned fine powder 4.2g (21%), cullet powder 14g (70%), SODIUMNITRATE 0.2g (1%), potassium felspar sand 1g (5%), sodium phosphate 0.2g (1%), water glass 0.2 (1%) and epoxy resin 0.2g (1%) and mix, obtain multicellular glass raw material group.
(3) under 15MPa, with four-column hydraulic press, above-mentioned raw material are rolled into a ball to compression moulding, obtain multicellular glass shaping block, then be placed in plumbago crucible, in temperature programmed control retort furnace, according to certain temperature program(me), carry out heating and cooling processing, complete plasticizing, foaming, sizing, annealing and the operation such as cooling, finally obtain multicellular glass material.
Concrete technology parameter is as follows: first the temperature rise rate with 20 ℃/min rises to 450 ℃ from room temperature, then with 5 ℃/min, be warming up to 700 ℃, then with 3 ℃/min, be warming up to blowing temperature, blowing temperature is 900 ℃, at this temperature, be incubated 30 minutes, complete foaming, then with 15 ℃/min, be cooled to 650 ℃, make foaming and setting, then with the cooling rate of 3 ℃/min, be down to 450 ℃ of annealing, cooling rate with 2 ℃/min is cooled to 250 ℃ again, finally with the cooling rate of 1 ℃/min, is cooled to room temperature, comes out of the stove again, obtains finished foam glass.
Embodiment 2
(1) metals such as copper in discarded motor steering device insulation framework are sorted out, then nonmetallic part is placed at 500 ℃ to thermal treatment 25 minutes, then pulverize, ball milling makes the fine powder of 100 orders left and right.This fine powder consists of: glass fibre is 55%, resol 40%, and all the other are filler and auxiliary agent.
(2) get above-mentioned fine powder 6.2g (31%), cullet powder 12g (60%), potassium felspar sand 1g (5%), potassiumphosphate 0.2g (1%), water glass 0.2 (1%), weisspiessglanz 0.2 (1%) and polyvinyl alcohol 0.2g (1%) and mix, obtain multicellular glass raw material group.
(3) under 18MPa, with four-column hydraulic press, above-mentioned raw material are rolled into a ball to compression moulding, obtain multicellular glass shaping block, then be placed in plumbago crucible, in temperature programmed control retort furnace, according to certain temperature program(me), carry out heating and cooling processing, complete plasticizing, foaming, sizing, annealing and the operation such as cooling, finally obtain multicellular glass material.
Concrete technology parameter is as follows: first the temperature rise rate with 25 ℃/min rises to 450 ℃ from room temperature, then with 5 ℃/min, be warming up to 700 ℃, then with 3 ℃/min, be warming up to blowing temperature, blowing temperature is 850 ℃, at this temperature, be incubated 50 minutes, complete foaming, then with 15 ℃/min, be cooled to 650 ℃, make foaming and setting, then with the cooling rate of 3 ℃/min, be down to 450 ℃ of annealing, cooling rate with 2 ℃/min is cooled to 250 ℃ again, finally with the cooling rate of 1 ℃/min, is cooled to room temperature, comes out of the stove again, obtains finished foam glass.
Embodiment 3
(1) metals such as copper in discarded motor steering device insulation framework are sorted out, then nonmetallic part is placed at 400 ℃ to thermal treatment 60 minutes, then pulverize, ball milling makes the fine powder of 100 orders left and right.This fine powder consists of: glass fibre is 40%, resol 50%, and all the other are filler and auxiliary agent.
(2) get above-mentioned fine powder 6.0g (30%), cullet powder 12.0g (60%), SODIUMNITRATE 0.2g (1%), potassium felspar sand 1g (5%), sodium phosphate 0.2g (1%), potassiumphosphate 0.2g (1%), water glass 0.2 (1%) and Mierocrystalline cellulose 0.2g (1%) and mix, obtain multicellular glass raw material group.
(3) under 25MPa, with four-column hydraulic press, above-mentioned raw material are rolled into a ball to compression moulding, obtain multicellular glass shaping block, then be placed in plumbago crucible, in temperature programmed control retort furnace, according to certain temperature program(me), carry out heating and cooling processing, complete plasticizing, foaming, sizing, annealing and the operation such as cooling, finally obtain multicellular glass material.
Concrete technology parameter is as follows: first the temperature rise rate with 25 ℃/min rises to 500 ℃ from room temperature, then with 5 ℃/min, be warming up to 700 ℃, then with 3 ℃/min, be warming up to blowing temperature, blowing temperature is 880 ℃, at this temperature, be incubated 50 minutes, complete foaming, then with 15 ℃/min, be cooled to 650 ℃, make foaming and setting, then with the cooling rate of 3 ℃/min, be down to 450 ℃ of annealing, cooling rate with 2 ℃/min is cooled to 250 ℃ again, finally with the cooling rate of 1 ℃/min, is cooled to room temperature, comes out of the stove again, obtains finished foam glass.
Embodiment 4
(1) metals such as copper in discarded motor steering device insulation framework are sorted out, then nonmetallic part is placed at 550 ℃ to thermal treatment 30 minutes, then pulverize, ball milling makes the fine powder of 200 orders left and right.This fine powder consists of: glass fibre is 65%, resol 30%, and all the other are filler and auxiliary agent.
(2) get above-mentioned fine powder 3.0g (15%), cullet powder 14.8g (74%), SODIUMNITRATE 0.2g (1%), potassium felspar sand 1g (5%), sodium phosphate 0.2g (1%), potassiumphosphate 0.2g (1%), water glass 0.2 (1%) and polyvinyl alcohol 0.2g (1%), epoxy resin 0.2g (1%) mixes, and obtains multicellular glass raw material group.
(3) under 25MPa, with four-column hydraulic press, above-mentioned raw material are rolled into a ball to compression moulding, obtain multicellular glass shaping block, then be placed in plumbago crucible, in temperature programmed control retort furnace, according to certain temperature program(me), carry out heating and cooling processing, complete plasticizing, foaming, sizing, annealing and the operation such as cooling, finally obtain multicellular glass material.
Concrete technology parameter is as follows: first the temperature rise rate with 25 ℃/min rises to 500 ℃ from room temperature, then with 5 ℃/min, be warming up to 700 ℃, then with 3 ℃/min, be warming up to blowing temperature, blowing temperature is 880 ℃, at this temperature, be incubated 50 minutes, complete foaming, then with 15 ℃/min, be cooled to 650 ℃, make foaming and setting, then with the cooling rate of 3 ℃/min, be down to 450 ℃ of annealing, cooling rate with 2 ℃/min is cooled to 250 ℃ again, finally with the cooling rate of 1 ℃/min, is cooled to room temperature, comes out of the stove again, obtains finished foam glass.Foaming properties parameter prepared by above-described embodiment is as shown in table 1:
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Mean density kg/m 3 | ?143 | ?152 | ?138 | ?136 |
| Thermal conductivity W/ (mK) | ?0.037 | ?0.042 | ?0.043 | ?0.048 |
| Ultimate compression strength MPa | ?1.49 | ?1.55 | ?1.45 | ?1.46 |
Claims (9)
1. utilize discarded glass to strengthen the method that alkyd resin moulding material is produced multicellular glass, comprise the following steps:
(1) discarded glass is strengthened to alkyd resin moulding material and heat-treat, after embrittlement, pulverizing, ball milling make fine powder;
(2) by weight percentage, the cullet powder of the described fine powder of 10-30%, 60-75%, the whipping agent of 0.1-2%, the fusing assistant of the stablizer of 1-2%, 5-10%, the binding agent of the properties-correcting agent of 0.5-1% and 0.5-1% are mixed, be molded into embryo by plasticizing, foaming, sizing, annealing, the cooling multicellular glass that makes;
Described plasticizing, foaming, sizing, annealing, cooling technique are:
(1) embryo of compression molding is placed in process furnace, controls the temperature in process furnace;
(2) speed with 15～30 ℃/min is warming up to 400～450 ℃, and then the speed with 5～10 ℃/min is warming up to 700～750 ℃, then be warming up to 800～1000 ℃ of 2～4 ℃/min, maintains 20～60 minutes and complete foaming;
(3) speed with 10-20 ℃/min is cooled to 600-700 ℃, and then the speed with 1-2 ℃/min is cooled to 250 ℃, finally, with the speed cooling room temperature of 0.5-2 ℃/min, makes multicellular glass.
2. method according to claim 1, is characterized in that, described discarded glass strengthens alkyd resin moulding material weight percent and consists of:
Alkyd resin moulding material 25～45%
Glass fibre 30～70%
Filler and auxiliary agent surplus.
3. method according to claim 1, is characterized in that, described thermal treatment temp is 350～550 ℃, and the time is 0.5～5 hour.
4. method according to claim 1, is characterized in that, described fine powder is 80～120 orders.
5. method according to claim 1, is characterized in that, described whipping agent is at least one in sodium carbonate, calcium carbonate, magnesiumcarbonate, saltpetre, SODIUMNITRATE, boric acid, carbon black, Graphite Powder 99 and silicon carbide.
6. method according to claim 1, is characterized in that, described fusing assistant is at least one of potassium felspar sand, calcite and Bai Shizhong.
7. method according to claim 1, is characterized in that, described properties-correcting agent is water glass, weisspiessglanz or their mixture.
8. method according to claim 1, is characterized in that, described stablizer is sodium phosphate, potassiumphosphate or their mixture.
9. method according to claim 1, is characterized in that, described binding agent is at least one in polyvinyl alcohol, epoxy resin and Mierocrystalline cellulose.
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| US8915033B2 (en) | 2012-06-29 | 2014-12-23 | Intellectual Gorilla B.V. | Gypsum composites used in fire resistant building components |
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| CN108483931A (en) * | 2018-06-05 | 2018-09-04 | 孙祎 | A kind of preparation method of high intensity even porous foam glass |
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| CN1225425C (en) * | 2004-02-23 | 2005-11-02 | 中国家用电器研究院 | Method of producing foam glass using wate picture tube |
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